Centers for Disease Control and Prevention. Even when you have 20,000 employees, or even if you have two employees, you may not be able to get to everyone. Most arc flash software has the capability to include a significant amount of additional data on the labels. warning systems. The worksite hazard communication program (HCP) has all of the following components EXCEPT _____. guarding against the hazard as required by OSHA, providing personal protective equipment and enforcing its use, coordinating protection of workers through other contractors, is large enough and so configured that a person can bodily enter into and perform assigned work, misuse or failure to use fall protection equipment, aerial lifts or elevated platforms to provide safer elevated working surfaces, guardrail systems with toeboards and warning lines or install control line systems to protect workers near the edges of floors, roofs, and floor holes; and/or, safety net systems or personal fall arrest systems (body harnesses), electrical hazards from overhead and underground power-lines. For example, when a Department of Energy electrical safety program is analyzed under the light of the RCH, many potential electrical safety improvements begin to jump off the page. Analyze the project to determine if you will be using: 9. The long-awaited arc flash study has been completed, and the results indicate the prospective incident energy at the main switchgear is 34 calories per centimeter squared (cal/cm2). NIOSH leads a national initiative called Prevention through Design (PtD) to prevent or reduce occupational injuries, illnesses, and fatalities through the inclusion of prevention considerations in all designs that impact workers. He had a .762-caliber AK-47-style rifle and 500 rounds of ammunition. An HRG system uses a grounding resistor to limit the ground-fault current to a value typically around 10 amperes. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. The same concept will prove equally effective when applied to electrical safety. One extreme case cost the insurance company $29 million. They are ranked by effectiveness. He was mad. Phil Allen is president of Grace Engineered Products Inc. 3. The most comprehensive long-term electrical safety solutions will be found at the top steps of the RCH. @��(�I�O@.ph�x�1L c�2�8 S��g�x��)�,9S^B�L�1�L�1PLK2!5ܑD1LCNZ��&f�tP��x��W�a1�r����������2;z�X%8ޡ{5+�ʺ�l|�!�����w����Ų�2������P,Aaנt�f��+fK�=�O拫b��LdX�u��m�z�M�O�(7�n�I�r�k��������l�6Y�K���hV\,���Ѽn����فE i ~cKH�y\=*����g�EU̞G Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website. For example, substituting a toxic chemical with a non-toxic (or less toxic) one. Therefore, creating a barrier that keeps maintenance workers away from voltage, or an arc flash explosion, is a sure way to increase electrical safety. For more information on excavation safety take OSHAcademy Course 802, Trench and Excavation Safety. What is the primary hazard to employees working in trenches and excavations? Now our questions become: How can we eliminate the hazards? For example, the use of respirators for long periods of time can put a strain on the heart and lungs. underground utilities, such as natural gas. • High-resistance grounding—The use of a high-resistance grounding (HRG) scheme can reduce the likelihood of an arc flash as a result of a line-to-ground fault. Hierarchy of Controls . DISCLAIMER: This material was produced under a Susan Harwood Training Grant from the Occupational Safety and Health Administration, U.S. Department of Labor. When you have meetings and are able to interact with those that work with you, allow them to be able to know that, ‘Yes, I may be the CEO. While there are some jobs, such as removing asbestos, where wearing adequate personal protective equipment is absolutely essential, there are many jobs where employers hand out personal protective Still, very little can happen until safety priorities are set and budgets are approved. determining how to implement feasible and effective controls. The contr ols are less effective as they progress to the bottom of this page. Most importantly, the RCH will help us find new “air bags” for electrical safety! Tuff had a number of choices at that point. To get the best picture of past safety performance on worksites, gather and analyze data on all previous injury accidents, accident resulting in property damage, and near-miss incidents. How far should workers keep themselves or equipment away from power lines? The more distance that can be placed between the worker and the arc flash, the less severe the exposure to the hazard. According to NFPA 70E 120.1, it involves several steps to ensure the system is safe and no voltage is present. According to IEEE 1584, the type of equipment also has an effect on rate of decay with distance and should be considered. This type of control method provides the capability to temporarily change the speed at which a protective device responds during an arc flash. Wearing a helmet is the 'lowest' or 'least' effective form of risk control within the WHS 'Hierarchy of Controls ... ANSI/AIHA. This understanding begs the question: How do we identify electrical safety priorities and strategically allocate budgets to fund them? COPYRIGHT INFORMATION: The materials available on this website may be copyrighted property of the Susan Harwood Training grantee. Hazards should be documented, reviewed, and corrections should be made in a timely manner. Most methods that are available to reduce the severity of the arc flash hazard focus on three controllable variables, including duration, distance and direction. As mentioned earlier, your company should conduct daily worksite inspections. Elimination Personal protective equipment can actually create hazards. To this end, permission is granted to use such copyrighted material solely for non-commercial, instructional, personal, or scholarly purposes. If engineering controls cannot be implemented, or cannot be implemented right away, administrative controls should be considered. “And so not knowing that that was inside of me…I didn’t know that I was that calm, talking to him like that, until I went back to listen to the 911 tape myself. If voltage is present, then electrical incidents can happen. With respect to the management risk within the workplace, outline, with examples, the standard hierarchy that should be applied with respect to controlling health and safety risks in the workplace The initial cost of engineering controls can be higher than the cost of administrative controls or PPE, but over the longer term, operating costs are frequently lower, and in some instances, can provide a cost savings in other areas of the process. endstream endobj startxref �������bS~�i�"�+60R�t(�W��yq¤�?3�bj�/���t�ѯ;���h�TĻP�8�w��"> ���8�8��ǽn��d�*)� K!� PPE 1. This article expands on “Control the Risk” (ELECTRICAL CONTRACTOR, March 2015). Awareness 5. Controlling exposures to occupational hazards is the fundamental method of protecting workers. If the hazard cannot be removed through elimination or reduced to an acceptable level with substitution, the next method in the hierarchy is to use engineering controls to reduce the exposure or severity. As Tuff and other staff members prepared for dismissal, a parent allowed a 20-year-old male to walk through the door, bypassing the security measure. These methods for protecting workers have also proven to be less effective than other measures, requiring significant effort by the affected workers. Factoring in the risk, exposure and severity of the hazard to develop methods for controlling the risk to an acceptable level is a more comprehensive approach and is a major focus of the 2015 edition of NFPA 70E. Let's apply the RCH to the Department of Energy (DOE). You can correct any missed questions and check your Electrical safety focuses on the prevention of shocks and burns. Fol… Soil analysis is important in order to determine appropriate sloping, benching, and shoring. Tuff kept her cool. Which hazard control strategy is the most effective at reducing hazards, yet also tends to be the most difficult to implement in an existing process? Understanding how to set priorities for electrical safety poses a challenge for the non-electrical safety manager. 10. The male approached the front desk. from falls. The “So we all knew the devastation that happened with those innocent children. So how do we use the RCH to measure and reduce electrical risks? She had been with him since she was 13 years old. Substitution — Replacing higher risks with lower risks.
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